Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Pole changing Combination of cascade and pole changing Cascade control Rheostat control Pole changing Combination of cascade and pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Suri transmission is Hydro pneumatic Mechanical electrical Hydro mechanical Electrical pneumatic Hydro pneumatic Mechanical electrical Hydro mechanical Electrical pneumatic ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The normal value of adhesion friction is 0.25 0.35 0.50 0.30 0.25 0.35 0.50 0.30 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system 40 Hz None of the listed here 25 Hz 16 Hz 40 Hz None of the listed here 25 Hz 16 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following state capitals is not on broad gauge track ? Bhopal Jaipur Lucknow Chandigarh Bhopal Jaipur Lucknow Chandigarh ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Sand on rails Dew on rails Oil on the rails Both Dew on rails and Oil on the rails Sand on rails Dew on rails Oil on the rails Both Dew on rails and Oil on the rails ANSWER DOWNLOAD EXAMIANS APP
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